Run results for: Some vs Find

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0

Browser: Firefox 52

Operating system: Windows

Device Platform: Desktop

Date tested: 11 months ago

Find

36K/s

Some

31K/s

View exact numbers

Test name	Executions per second
✓ Find	35,942 Ops/sec
Some	30,767 Ops/sec

Script Preparation code:

var data = []

for (let i = 0; i < 5000; ++i) data.push({ username: 'toto' })
data.push({ username: 'titi' })
for (let i = 0; i < 2500; ++i) data.push({ username: 'toto' })

Tests:

Find
data.find(e => e.username === 'titi')
Some
data.some(e => e.username === 'titi')